Vivek Goyal wrote:
> On Thu, Oct 04, 2007 at 08:38:50PM +0900, Takenori Nagano wrote:
>
>> @@ -522,8 +530,8 @@ setup_arch(char **cmdline_p)
>> }
>>
>> /* Register a call for panic conditions. */
>> - atomic_notifier_chain_register(&panic_notifier_list,
>> - &alpha_panic_block);
>> + tunable_notifier_chain_register(&panic_notifier_list,
>> + &alpha_panic_block, "alpha_panic", NULL);
>>
>
> I think it might be good idea to somehow create provisions for another a
> help string. This help string will inform admin that what a registered
> user does? Ideally this should be visible in /sys/kernel/debug/<user module>/description file.
Hi Vivek,
We can make description file with tunable_notifier_chain_register 4th argument.
If developer sets 4th argument, tunable_notifier_chain_register makes
/sys/kernel/debug/<name>/description file. Admin can get information from the
description file.
+/**
+ * tunable_notifier_chain_register - Add notifier to an tunable notifier chain
+ * @nh: Pointer to head of the tunable notifier chain
+ * @n: New entry in notifier chain
+ * @name: Pointer to the name of the new notifier entry
+ * @desc: Pointer to the description of new entry
+ *
+ * Adds a notifier to an tunable notifier chain and makes control dir.
+ *
+ * Returns zero on success or %-ENODEV on failure.
+ */
Thanks,
Takenori Nagano <[email protected]>
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